<template>
  <div class="shopcar-container">
    <div class="goods-list">
      <!-- 商品列表区域 -->
      <div class="mui-card" v-for="(item, i) in goodslist" :key="item.id">
        <div class="mui-card-content">
          <div class="mui-card-content-inner">
            <!--  -->
            <mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
            @change="selectedChange(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
            <img :src="item.thumb_path" alt />
            <div class="info">
              <h1>{{item.title}}</h1>
              <p>
                <span class="price">￥{{item.sell_price}}</span>
                <numbox :initCount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
              </p>
            </div>
          </div>
        </div>
      </div>
      <!-- 结算区域 -->
      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner jiesuan">
            <div class="left">
              <p>总计(不含运费)</p>
              <p>
                已勾选商品
                <span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span> 件,总价
                <span class="red">￥{{$store.getters.getGoodsCountAndAmount.amount}}</span> 元
              </p>
            </div>
            <mt-button type="danger">去结算</mt-button>
          </div>
          <p></p>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import numbox from "../subcomponent/shopcar-numbox.vue";
export default {
  data() {
    return {
      goodslist: [] //购物车中所有商品数据
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    getGoodsList() {
      //1.获取到store中所有商品的Id,然后拼接出一个逗号分隔的字符串
      var idArr = [];
      this.$store.state.car.forEach(item => {
        idArr.push(item.id);
      });
      if (idArr.length <= 0) {
        return;
      }
      //获取购物车商品列表
      this.$http
        .get("api/goods/getshopcarlist/" + idArr.join(","))
        .then(result => {
          if (result.body.status == 0) {
            this.goodslist = result.body.message;
          }
        });
    },
    remove(id, i) {
      //点击删除,把商品从store中根据传递的Id删除,同时,把当前组件中的goodslist中,对应要删除的那个商品,使用index来删除
      this.goodslist.splice(i, 1);
      this.$store.commit("removeForCar", id);
    },
    selectedChange(id,val){
        //每当点击开关,把最新的开关状态同步到$store中
        console.log(id+"----"+val)
        this.$store.commit('updataGoodsSelected',{id,selected:val})
    }
  },
  components: {
    numbox
  }
};
</script>

<style lang="scss" scoped>
.shopcar-container {
  background: #eee;
  overflow: hidden;
  .goods-list {
    img {
      width: 60px;
      height: 60px;
    }
    h1 {
      font-size: 13px;
    }
    p {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .info {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      .price {
        color: red;
        font-weight: bold;
      }
    }
    .mui-card-content-inner {
      display: flex;
      align-items: center;
    }
  }
  .jiesuan {
    display: flex;
    justify-content: space-between;
    align-items: center;
    .red {
      color: red;
      font-weight: bold;
      font-size: 16px;
    }
  }
}
</style>